ZIGO, František - VASIĽ, Milan - ONDRAŠOVIČOVÁ, Silvia - VÝROSTKOVÁ, Jana - BUJOK, Jolanta - PECKA-KIEŁB, Ewa. Maintaining optimal mammary gland health and prevention of mastitis. In: Frontiers in veterinary science. 2021. ISSN 2297-1769, Vol. 8, no. (2021), art. no. 607311, p. [1-17]
(2021: 3.471 - IF, 44 - H-index, 3.821 - IF 5y, 0.719 - SJR, Q1 - SJR Best Q, Q1 - JCR Best Q)

ZIGO, František - ONDRAŠOVIČOVÁ, Silvia. Comparing the incidence of mastitis in sheep flock with different milking methods. In: International Journal of Scientific Engineering and Applied Science. 2021. ISSN 2395-3470, Vol. 7, no. 12 (2021), p. 27-32.

ZIGO, František - ONDRAŠOVIČOVÁ, Silvia - VARGOVÁ, Mária - VESZELITS LAKTIČOVÁ, Katarína. Effect of peroral supplementation of selenium and vitamin E on udder healthin dairy cows. In: International Journal of Veterinary Science and Agriculture Research. 2021. ISSN 2582-4112, Vol. 3, no. 4 (2021), p. 37-42.

ZIGO, František - FARKAŠOVÁ, Zuzana - ONDRAŠOVIČOVÁ, Silvia - VARGOVÁ, Mária - VESZELITS LAKTIČOVÁ, Katarína. Occurrence of diseases in holdings of carrier pigeons with different prophylactic plans. In: Archives of animal and poultry sciences. 2021. ISSN 2690-5884, Vol. 1, no. 5 (2021), art. no. 555571, p. [1-5]

ZIGO, František - FARKAŠOVÁ, Zuzana - LACKOVÁ, Zuzana - ONDRAŠOVIČOVÁ, Silvia. Supplementation of selenium enhanced feed and its effect on biochemical and antioxidant parameters of racing pigeons. In: Archives of animal and poultry sciences. 2021. ISSN 2690-5884, Vol. 1, no. 5 (2021), art. no. 555572, p. [1-5]

ADAMČÍK, Michael - ZIGO, František - KOLENIČ, Peter - ONDRAŠOVIČOVÁ, Silvia. Exterior evaluation of selected breeds of pigeons: owls and frills. In: Folia veterinaria. 2021. ISSN 0015-5748, Roč. 65, č. 2 (2021), s. 27-35.

VASIĽ, Milan - ZIGO, František - LACKOVÁ, Zuzana - ONDRAŠOVIČOVÁ, Silvia. Comparison of the effectiveness of selenium and vitamin E supplementation on the health of the mammary gland of sheep. In: Acta Fytotechnica et Zootechnica. 2021. ISSN 1335-258X, Roč. 24, č. (2021), s. 75-79.
(3 - H-index, 0.115 - SJR, Q4 - SJR Best Q)

ZIGO, František - LACKOVÁ, Zuzana - VASIĽ, Milan - ONDRAŠOVIČOVÁ, Silvia - SASÁKOVÁ, Naďa - VÝROSTKOVÁ, Jana - PECKA-KIEŁB, Ewa. New trends in the use of recycled manure solids in dairy housing. In: Acta Fytotechnica et Zootechnica. 2021. ISSN 1335-258X, Roč. 24, č. (2021), s. 109-113.
(3 - H-index, 0.115 - SJR, Q4 - SJR Best Q)

LACKOVÁ, Zuzana - ZIGO, František - ONDRAŠOVIČOVÁ, Silvia - VASIĽ, Milan - FARKAŠOVÁ, Zuzana. The effect of xanthohumol on carcass and oxidation parameters in the meat of Japanese quail. In: Acta Fytotechnica et Zootechnica. 2021. ISSN 1335-258X, Roč. 24, č. (2021), s. 67-70.
(3 - H-index, 0.115 - SJR, Q4 - SJR Best Q)

SOPKOVÁ, Drahomíra - VLČKOVÁ, Radoslava - ANDREJČÁKOVÁ, Zuzana - PETRILLA, Vladimír - ONDRAŠOVIČOVÁ, Silvia. Benefity suplementácie diéty ľanovým semenom [Benefits of diet supplementation with flaxseed]. In: 24. Košický morfologický deň : Zborník vedeckých prác: Enviromentálna záťaž a jej vplyv na zdravie ľudí a zvierat. 1. vyd. Košice : UVLF v Košiciach, 2021. 2021. ISBN 978-80-8077-705-0, online, s. 226-230.